AEM-7
E1045993
The AEM-7 is a class of electric locomotives that long served as the primary high-speed passenger power on the electrified Northeast Corridor in the United States.
All labels observed (1)
| Label | Occurrences |
|---|---|
| AEM-7 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13498389 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: AEM-7 Context triple: [ACS-64, designedToReplace, AEM-7]
-
A.
AEM
AEM is the commonly used abbreviation for the ASEAN Economic Ministers, the regional body responsible for coordinating economic policy and integration among ASEAN member states.
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B.
EAM
EAM was a major Greek resistance organization during World War II that fought against Axis occupation and played a key role in the country’s wartime and immediate postwar politics.
-
C.
AMRAeS
AMRAeS is a professional post-nominal designation indicating Associate Membership of the Royal Aeronautical Society.
-
D.
A7
A7 is a major European motorway designation used for key north–south and east–west highway routes in several countries.
-
E.
AAM
AAM is a United States Army decoration awarded to soldiers for outstanding achievement or meritorious service that does not meet the criteria for higher-level medals.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: AEM-7 Target entity description: The AEM-7 is a class of electric locomotives that long served as the primary high-speed passenger power on the electrified Northeast Corridor in the United States.
-
A.
AEM
AEM is the commonly used abbreviation for the ASEAN Economic Ministers, the regional body responsible for coordinating economic policy and integration among ASEAN member states.
-
B.
EAM
EAM was a major Greek resistance organization during World War II that fought against Axis occupation and played a key role in the country’s wartime and immediate postwar politics.
-
C.
AMRAeS
AMRAeS is a professional post-nominal designation indicating Associate Membership of the Royal Aeronautical Society.
-
D.
A7
A7 is a major European motorway designation used for key north–south and east–west highway routes in several countries.
-
E.
AAM
AAM is a United States Army decoration awarded to soldiers for outstanding achievement or meritorious service that does not meet the criteria for higher-level medals.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
electric locomotive
ⓘ
railway locomotive class ⓘ |
| brakeType |
air brakes
ⓘ
dynamic brakes ⓘ |
| builder |
ASEA
NERFINISHED
ⓘ
Electro-Motive Division NERFINISHED ⓘ |
| configuration | single-cab each end ⓘ |
| countryOfOperation |
United States of America
ⓘ
surface form:
United States
|
| designOrigin | ASEA Rc4 NERFINISHED ⓘ |
| electricSystem |
11 kV 25 Hz AC overhead
ⓘ
12.5 kV 25 Hz AC overhead ⓘ 25 kV 60 Hz AC overhead ⓘ |
| finalAmtrakRetirement | 2016 ⓘ |
| gauge |
1,435 mm
ⓘ
standard gauge ⓘ |
| heritage | Swedish Rc-series design ⓘ |
| manufacturedIn |
Sweden
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| maximumSpeed | 125 mph ⓘ |
| nickName | toaster ⓘ |
| notableFor | longtime primary electric passenger locomotive on the Northeast Corridor ⓘ |
| numberBuilt | 65 ⓘ |
| operator |
Connecticut Department of Transportation
NERFINISHED
ⓘ
MARC NERFINISHED ⓘ SEPTA NERFINISHED ⓘ |
| powerCollectionMethod | pantograph ⓘ |
| powerOutput | approximately 7,000 hp ⓘ |
| primaryOperator | Amtrak NERFINISHED ⓘ |
| primaryRole |
high-speed passenger service
ⓘ
passenger service ⓘ |
| productionEnd | 1988 ⓘ |
| productionStart | 1978 ⓘ |
| replaced | GG1 NERFINISHED ⓘ |
| retirementStart | 2010s ⓘ |
| serviceEntry | 1980 ⓘ |
| serviceType |
commuter passenger
ⓘ
intercity passenger ⓘ |
| successor | Siemens ACS-64 NERFINISHED ⓘ |
| tractionType | electric ⓘ |
| UICClassification | Bo′Bo′ ⓘ |
| usedBy |
Amtrak Keystone Service
NERFINISHED
ⓘ
Amtrak Northeast Corridor services NERFINISHED ⓘ MARC Penn Line NERFINISHED ⓘ SEPTA Regional Rail NERFINISHED ⓘ |
| usedOnLine |
Keystone Corridor
NERFINISHED
ⓘ
Northeast Corridor NERFINISHED ⓘ |
| wheelArrangement | B-B ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: AEM-7 Description of subject: The AEM-7 is a class of electric locomotives that long served as the primary high-speed passenger power on the electrified Northeast Corridor in the United States.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
ACS-64